I’m tired of ranting against Donald Trump, and you’re probably tired – quite understandably – of reading about him. So let’s talk about something much more pleasant: different scenarios, all possible but of varying degrees of probability, of how the world could end. Back in the early 70s and into the early 80s, I ran a kind of internal think-tank at Boeing that did highly classified work for the US Defense Department and for many of the defense ministries of the NATO countries. In the process, I got to know fairly well some people working in various disciplines who were employed by what those in “the Game” generically refer to as the “3-letter agencies,” including some work for one known facetiously as “Christians In Action”. Back then, there was an acronym in fashion: TEOTWAKI, st...